/*
 * Copyright (c) 2021, 2025, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
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 */
package jdk.jfr.internal.jfc.model;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.charset.Charset;

public final class UserInterface {

    public void println() {
        System.out.println();
    }

    public void println(String text) {
        System.out.println(text);
    }

    public String readLine() throws AbortException {
        try {
            Charset charset = Charset.forName(System.getProperty("stdin.encoding"), Charset.defaultCharset());
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in, charset));
            String line = br.readLine();
            if (line == null || line.equalsIgnoreCase("Q")) {
                println();
                throw new AbortException();
            }
            return line;
        } catch (IOException e) {
            throw new Error("Unable to read input", e);
        }
    }
}
